Caterpillar Cat 420F BACKHOE LOADER (Prefix SKR) Service Repair Manual Instant Download

Service Repair Manual Model 420F BACKHOELOADER

420F Backhoe Loader SKR00001-UP (MACHINE) POWERED BY C4.4 Engine(SEB... 1/12 Shutdown SIS Previous Screen Product: BACKHOE LOADER Model: 420F BACKHOE LOADER SKR Configuration: 420F Backhoe Loader SKR00001-UP (MACHINE) POWERED BY C4.4 Engine Disassembly and Assembly 416F, 420F and 430F Backhoe Loaders Machine Systems Media Number -UENR2321-04 Publication Date -01/01/2014 Date Updated -03/11/2016 i04779487 Boom - Remove and Install SMCS - 6501-010 Removal Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 1U-9200 Lever Puller Hoist 1 9S-5565 Pin Puller Sleeve As 1 4K-0684 Hard Washer 1 4C-9634 Puller Stud 1 6V-3175 Double Acting Cylinder 1 B 9U-6832 Nut 1 1P-1835 Bearing Puller Adapter 1 350-7768 Electric Hydraulic Pump Gp (115V) 1 350-7769 Electric Hydraulic Pump Gp (230V0 1 C 6V-3175 Double Acting Cylinder 1 9U-6833 Nut 1 126-8928 Hard Washer 1 5P-4776 Puller Stud 1 9S-5565 Pin Puller Sleeve As 1 1P-1834 Bearing Puller Adapter 1 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/15

420F Backhoe Loader SKR00001-UP (MACHINE) POWERED BY C4.4 Engine(SEB... 2/12 350-7768 Electric Hydraulic Pump Gp (115V) 1 350-7769 Electric Hydraulic Pump Gp (230V0 1 Start By: a. Remove the stick. b. Remove the stick cylinder Cylinders equipped with lock valves can remain pressurized for very long periods of time, even with the hoses removed. Failure to relieve pressure before removing a lock valve or disassembling a cylinder can result in personal injury or death. Ensure all pressure is relieved before removing a lock valve or disassembling a cylinder. When you are using hydraulic cylinders and puller studs, always ensure that the rated capacity of the puller stud meets or exceeds the rated capacity of the hydraulic cylinder. If the puller stud does not meet or exceed the rated capacity of the hydraulic cylinder, a sudden failure of the puller stud could occur. The sudden failure of the puller stud could result in personal injury or death. Personal injury can result from hydraulic oil pressure and hot oil. Hydraulic oil pressure can remain in the hydraulic system after the engine has been stopped. Serious injury can be caused if this pressure is not released before any service is done on the hydraulic system. Make sure all of the work tools have been lowered to the ground, and the oil is cool before removing any components or lines. Remove the oil filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/15

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420F Backhoe Loader SKR00001-UP (MACHINE) POWERED BY C4.4 Engine(SEB... 3/12 Illustration 1 g02887578 1. Disconnect harness assembly (1). Disconnect clamp (2). Disconnect hose assemblies (3) and (4). Illustration 2 g02887977 2. Remove pin (6). Place right-hand hook (5) to the side. Illustration 3 g02890138 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/15

420F Backhoe Loader SKR00001-UP (MACHINE) POWERED BY C4.4 Engine(SEB... 4/12 3. Remove clamp (7) (not shown). Loosen nut (8). Remove pin (9) and hook (11). Remove bolt (10). Illustration 4 g02888076 Illustration 5 g02888082 4. Attach a suitable lifting device to boom cylinder (13). The weight of boom cylinder (13) is approximately 115 kg (255 lb). Remove pin (14). Remove pin (12). Remove boom cylinder (13). Illustration 6 g02888092 5. Disconnect hose assemblies (15) that are routed to the boom. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/15

420F Backhoe Loader SKR00001-UP (MACHINE) POWERED BY C4.4 Engine(SEB... 5/12 Illustration 7 g02888098 6. Remove cable strap (17). Disconnect harness assembly (16) that is routed to the boom. Illustration 8 g02888109 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/15

420F Backhoe Loader SKR00001-UP (MACHINE) POWERED BY C4.4 Engine(SEB... 6/12 Illustration 9 g02888116 7. Install pin (14) and shims (19). Install retaining ring (18). Install pin assembly (21) (not shown). Install bracket (20) in order to secure pin assembly (21). 8. Attach Tooling (A) and a suitable lifting device to boom (22). The weight of boom (22) is approximately 455 kg (1000 lb). 9. Remove bolt (23) and pin (24). Repeat for the other side. 10. Remove boom (22). Illustration 10 g02888124 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/15

420F Backhoe Loader SKR00001-UP (MACHINE) POWERED BY C4.4 Engine(SEB... 7/12 Illustration 11 g02888127 11. Use Tooling (B) in order to remove bearings (25) and (26). Illustration 12 g02888136 Illustration 13 g02888139 12. Use Tooling (C) in order to remove bearings (27) and (28). Installation Procedure https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/15

420F Backhoe Loader SKR00001-UP (MACHINE) POWERED BY C4.4 Engine(SEB... 8/12 Illustration 14 g02888136 1. Lower the temperature of bearings (28) and (27). Use Tooling (C) in order to install bearings (27) and (28). Illustration 15 g02888124 2. Lower the temperature of bearings (25) and (26). Use Tooling (B) in order to install bearings (25) and (26). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/15

420F Backhoe Loader SKR00001-UP (MACHINE) POWERED BY C4.4 Engine(SEB... 9/12 Illustration 16 g02888116 Illustration 17 g02888158 3. Attach Tooling (A) and a suitable lifting device to boom (22). The weight of boom (22) is approximately 455 kg (1000 lb). Install boom (22). 4. Install pin (24) and bolt (23). Repeat for the other side. Illustration 18 g02888098 5. Connect harness assembly (16). Install cable strap (17). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/15

420F Backhoe Loader SKR00001-UP (MACHINE) POWERED BY C4.4 Engine(S... 10/12 Illustration 19 g02888092 6. Connect hose assemblies (15). Illustration 20 g02888082 Illustration 21 g02888256 7. Remove retaining ring (18). Remove pin (14) and shims (19). Note: Pin (14) was used in the installation of the boom. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/15

420F Backhoe Loader SKR00001-UP (MACHINE) POWERED BY C4.4 Engine(S... 11/12 8. Attach a suitable lifting device to boom cylinder (13). The weight of boom cylinder (13) is approximately 115 kg (255 lb). Install boom cylinder (13). Install pin (12). Install pin (14) into one side of boom cylinder (13). Note: Pin (14) will be fully installed when the stick cylinder is installed. Illustration 22 g02890138 9. Install bolt (10). Install hook (11) and pin (9). Tighten nut (8). Install clamp (7) (not shown). Illustration 23 g02887977 10. Position hook (5). Install pin (6). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/15

420F Backhoe Loader SKR00001-UP (MACHINE) POWERED BY C4.4 Engine(S... 12/12 Illustration 24 g02887578 11. Connect hose assemblies (3) and (4). Connect clamp (2). Connect harness assembly (1). End By: a. Install the stick cylinder. b. Install the stick. Copyright 1993 - 2019 Caterpillar Inc. Sun Sep 15 22:06:26 UTC+0800 2019 All Rights Reserved. Private Network For SIS Licensees. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/15

420F Backhoe Loader SKR00001-UP (MACHINE) POWERED BY C4.4 Engine(SEB... 1/7 Shutdown SIS Previous Screen Product: BACKHOE LOADER Model: 420F BACKHOE LOADER SKR Configuration: 420F Backhoe Loader SKR00001-UP (MACHINE) POWERED BY C4.4 Engine Disassembly and Assembly 416F, 420F and 430F Backhoe Loaders Machine Systems Media Number -UENR2321-04 Publication Date -01/01/2014 Date Updated -03/11/2016 i05636889 Swing Cylinder - Remove and Install SMCS - 5105-010 Removal Procedure Cylinders equipped with lock valves can remain pressurized for very long periods of time, even with the hoses removed. Failure to relieve pressure before removing a lock valve or disassembling a cylinder can result in personal injury or death. Ensure all pressure is relieved before removing a lock valve or disassembling a cylinder. Illustration 1 g02849177 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/15

420F Backhoe Loader SKR00001-UP (MACHINE) POWERED BY C4.4 Engine(SEB... 2/7 1. Loosen bolts (1) on right side of the bracket. Illustration 2 g02849193 2. Position the backhoe to the side, as shown. 3. Release the pressure in the hydraulic oil system. Illustration 3 g02849216 4. Disconnect hose assemblies (2) from the head end of the swing cylinder. Repeat for the other swing cylinder. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/15

420F Backhoe Loader SKR00001-UP (MACHINE) POWERED BY C4.4 Engine(SEB... 3/7 Illustration 4 g02849242 5. Disconnect hose assemblies (3) . Repeat for the other swing cylinder. Illustration 5 g02849248 6. Remove the retaining ring and pin (4) . Remove bolts (5) , bolts (1) , and support (6) . Illustration 6 g02849259 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/15

420F Backhoe Loader SKR00001-UP (MACHINE) POWERED BY C4.4 Engine(SEB... 4/7 7. Attach a suitable lifting device to swing cylinder (7) . The weight of swing cylinder (7) is approximately 38 kg (85 lb). Remove swing cylinder (7) . Remove any shims that may be present. Repeat for the other side. Disassembly and Assembly Information Table 1 Required Tools Tool Part Number Part Description Qty 6V-2098 Press Sleeve 1 4K-0684 Hard Washer 1 9U-6833 Nut 1 4C-9633 Puller Stud 1 A 350-7768 Electric Hydraulic Pump Gp (115V) 1 350-7769 Electric Hydraulic Pump Gp (230V) 6V-3160 Double Acting Cylinder 1 5P-2145 Bearing Puller Adapter 1 B Bearing Mount Compound 1 C 152-4249 Hydraulic Cylinder Repair Stand Gp 1 D - Grease - 9U-7868 Spanner Wrench 1 E 127-8064 Adapter Plate Gp 1 130-1810 Pin Gp 1 Cylinders equipped with lock valves can remain pressurized for very long periods of time, even with the hoses removed. Failure to relieve pressure before removing a lock valve or disassembling a cylinder can result in personal injury or death. Ensure all pressure is relieved before removing a lock valve or disassembling a cylinder. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/15

420F Backhoe Loader SKR00001-UP (MACHINE) POWERED BY C4.4 Engine(SEB... 5/7 When you are using hydraulic cylinders and puller studs, always ensure that the rated capacity of the puller stud meets or exceeds the rated capacity of the hydraulic cylinder. If the puller stud does not meet or exceed the rated capacity of the hydraulic cylinder, a sudden failure of the puller stud could occur. The sudden failure of the puller stud could result in personal injury or death. Illustration 7 g01253392 Tooling (A) is used for the removal of bearing (2) . (4) Before installation, apply Tooling (D) to the threads. Use Tooling (C) to tighten piston (4) . Tighten piston (4) to a torque of 1375 25 N m (1014 18 lb ft). Tighten setscrew (1) to a torque of 23 3 N m (204 27 lb in) (5) Before assembly, apply Tooling (D) to the wiper seal groove. Apply Tooling (B) to the flange. (6) Before assembly, lubricate the sealing lip with the fluid that is being sealed. (3) Before assembly, lubricate the threads with Tooling (D) . Use Tooling (C) and Tooling (E) to tighten head (3) . Tighten head (3) to a torque of 775 25 N m (572 18 lb ft). Installation Procedure https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/15

420F Backhoe Loader SKR00001-UP (MACHINE) POWERED BY C4.4 Engine(SEB... 6/7 Illustration 8 g02849721 Note: There should be no grease applied to the cylinder body to frame joint. The joint is a non- lubricated joint that has impregnated bearings installed. 1. Attach a suitable lifting device to swing cylinder (7) . The weight of swing cylinder (7) is approximately 38 kg (85 lb). Install swing cylinder (7) and any shims that were present during the removal procedure. Illustration 9 g02849736 2. Install bracket (6) , bolts (5) , and bolts (1) . Tighten bolts (5) and bolts (1) to a torque of 800 100 N m (590 74 lb ft). Install pin (4) and the retaining ring. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/15

420F Backhoe Loader SKR00001-UP (MACHINE) POWERED BY C4.4 Engine(SEB... 7/7 Illustration 10 g02849822 3. Connect hose assemblies (3) . Repeat for the other swing cylinder. Illustration 11 g02849830 4. Connect hose assemblies (2) from the head end of the swing cylinder. Repeat for the other swing cylinder. Copyright 1993 - 2019 Caterpillar Inc. Sun Sep 15 22:07:14 UTC+0800 2019 All Rights Reserved. Private Network For SIS Licensees. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/15

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420F Backhoe Loader SKR00001-UP (MACHINE) POWERED BY C4.4 Engine(SEB... 1/9 Shutdown SIS Previous Screen Product: BACKHOE LOADER Model: 420F BACKHOE LOADER SKR Configuration: 420F Backhoe Loader SKR00001-UP (MACHINE) POWERED BY C4.4 Engine Disassembly and Assembly 416F, 420F and 430F Backhoe Loaders Machine Systems Media Number -UENR2321-04 Publication Date -01/01/2014 Date Updated -03/11/2016 i04758712 Swing Frame - Remove SMCS - 6506-011 Removal Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 5P-5197 Retaining Ring Pliers As 1 B 140-7742 Sleeve 2 C 1U-9204 Lever Puller Hoist 1 D - Chain 1 350-7768 Electric Hydraulic Pump Gp (115V) 1 350-7769 Electric Hydraulic Pump Gp (230V) 6V-3160 Double Acting Cylinder 1 9U-6833 Nut 1 E 8T-5361 Hard Washer 1 4C-9633 Puller Stud 1 6V-2098 Receiving Sleeve 1 1P-1834 Bearing Puller Adapter 1 F 350-7768 Electric Hydraulic Pump Gp (115V) 1 350-7769 Electric Hydraulic Pump Gp (230V) 6V-3160 Double Acting Cylinder 1 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/15

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